Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
280528
| DC | District of Columbia | Potomac River, 1.2 mile reach from 400 m above Chain Bridge Road to Fletcher's Boathouse, W end of D.C. and Arlington. | 2010 |
02070010
| Middle Potomac-Anacostia-Occoquan | established |
158323
| DC | District of Columbia | Rock Creek Park | 1999 |
02070010
| Middle Potomac-Anacostia-Occoquan | established |
1679939
| MD | Montgomery | Wheaton, Wheaton-Glenmont, MD, USA | 2021 |
02070010
| Middle Potomac-Anacostia-Occoquan | |
1729829
| MD | Prince George's | [No locality description provided] | 2023 |
02070010
| Middle Potomac-Anacostia-Occoquan | |
1729830
| MD | Prince George's | [No locality description provided] | 2023 |
02070010
| Middle Potomac-Anacostia-Occoquan | |
1729831
| MD | Prince George's | [No locality description provided] | 2023 |
02070010
| Middle Potomac-Anacostia-Occoquan | |
1729832
| MD | Prince George's | [No locality description provided] | 2023 |
02070010
| Middle Potomac-Anacostia-Occoquan | |
1729833
| MD | Prince George's | [No locality description provided] | 2023 |
02070010
| Middle Potomac-Anacostia-Occoquan | |
613211
| MD | Prince George's | Henson Cr., Pr. Georges Co., Maryland | 1934 |
02070010
| Middle Potomac-Anacostia-Occoquan | established |
612806
| VA | Fairfax | Accotink Cr. | 1996 |
02070010
| Middle Potomac-Anacostia-Occoquan | established |
746953
| VA | Fairfax | Little Hunting Creek, tidal reach from mouth to 1.7 river miles above, ca. 1.0 air miles NE of Mt. Vernon | 2010 |
02070010
| Middle Potomac-Anacostia-Occoquan | established |
280533
| VA | Fairfax | Little Hunting Creek, tidal reach from mouth to 1.7 river miles above, ca. 1.0 air miles NE of Mt. Vernon | 2010 |
02070010
| Middle Potomac-Anacostia-Occoquan | established |
153310
| VA | Fairfax | Potomac River | 1994 |
02070010
| Middle Potomac-Anacostia-Occoquan | established |